Manufacturers and suppliers of Accoustic Enclosure and Sound Proofing
 No Noise Pollution
Call Us
(+91) 981 000 2479
Mail Us
info@ddstha.in
W - 54, D and E, 1st Floor
Sector - 11 Noida - 201301 UP India
SOUND LEVEL AS PER
OSHA (dbA)
TIME PERMITTED
(HOURS)
SOUND LEVEL AS PER
ISO (dbA)
90 8 85
92 6 87
95 4 90
97 3 92
100 2 95
105 1 100
110 0.30 105
115 0.15 110